Home / 129,545,210.40-194,339,588.40-38,677,984.80

Finding the Fourth Proportional to 129,545,210.40, 194,339,588.40 and 38,677,984.80

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Solution

The fourth proportional to 129,545,210.40, 194,339,588.40 and 38,677,984.80 is: 58,023,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,545,210.40 : 194,339,588.40 = 38,677,984.80 : x
  2. Step 2: Convert to fraction form
    129,545,210.40/194,339,588.40 = 38,677,984.80/x
  3. Step 3: Cross multiply
    129,545,210.40x = 194,339,588.40 × 38,677,984.80
  4. Step 4: Simplify right side
    129,545,210.40x = 7,516,663,646,173,456
  5. Step 5: Solve for x
    x = 7,516,663,646,173,456/129,545,210.40
  6. Step 6: Final answer
    x = 58,023,477.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.